Note that this is a practice quiz. This problem will be discussed in the next video, but we encourage you to try to solve it yourselves first.
Suppose there are 4 people and 9 different assignments. Each person should receive one assignment. Assignments for different people should be different. How many ways are there to do it?
This is correct! See the next video for the discussion.
Note that this is a practice quiz. This problem will be discussed in the next video, but we encourage you to try to solve it yourselves first.
There are 4 people and 9 different assignments. We need to distribute all assignments among people. No assignment should be assigned to two people. Every person can be given arbitrary number of assignments from 0 to 9. How many ways are there to do it?
This is correct! It is convenient to look from the position of assignments. Each assignment has to receive a person who will work on it. Each assignment has 4 options. Assignments are different, so these are ordered selections. Repetitions are allowed: two assignments can be given to the same person. So we are dealing with tuples.